#[derive(Debug, Clone, Copy, PartialEq)]
pub enum AcquisitionFunction {
ExpectedImprovement { xi: f64 },
UpperConfidenceBound { kappa: f64 },
ProbabilityOfImprovement { xi: f64 },
}
impl Default for AcquisitionFunction {
fn default() -> Self {
Self::ExpectedImprovement { xi: 0.01 }
}
}